EP2125355B1 - Unité de gaufrage multifonction - Google Patents

Unité de gaufrage multifonction Download PDF

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Publication number
EP2125355B1
EP2125355B1 EP08720241A EP08720241A EP2125355B1 EP 2125355 B1 EP2125355 B1 EP 2125355B1 EP 08720241 A EP08720241 A EP 08720241A EP 08720241 A EP08720241 A EP 08720241A EP 2125355 B1 EP2125355 B1 EP 2125355B1
Authority
EP
European Patent Office
Prior art keywords
embossing
support
roller
unit
rollers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08720241A
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German (de)
English (en)
Other versions
EP2125355A2 (fr
Inventor
Mauro Gelli
Mauro Ricci
Alessandro Muchetti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fabio Perini SpA
Original Assignee
Fabio Perini SpA
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Filing date
Publication date
Application filed by Fabio Perini SpA filed Critical Fabio Perini SpA
Publication of EP2125355A2 publication Critical patent/EP2125355A2/fr
Application granted granted Critical
Publication of EP2125355B1 publication Critical patent/EP2125355B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0753—Roller supporting, positioning, driving means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0758—Characteristics of the embossed product
    • B31F2201/0761—Multi-layered
    • B31F2201/0764—Multi-layered the layers being nested
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0758—Characteristics of the embossed product
    • B31F2201/0761—Multi-layered
    • B31F2201/0766—Multi-layered the layers being superposed tip to tip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0771—Other aspects of the embossing operations
    • B31F2201/0776—Exchanging embossing tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0782—Layout of the complete embossing machine, of the embossing line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0784—Auxiliary operations
    • B31F2201/0787—Applying adhesive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1712—Indefinite or running length work
    • Y10T156/1737—Discontinuous, spaced area, and/or patterned pressing

Definitions

  • the present invention relates to an embossing unit. More in particular, the present invention relates to an embossing unit for embossing a multi-ply web material, preferably made of tissue paper, for example to manufacture toilet paper, kitchen towels and other cellulose products.
  • Embossing is one of the operations that are normally performed on plies or sheets of tissue paper, to produce paper articles for personal and household cleaning and hygiene, or also for commercial and industrial use, such as toilet paper, kitchen towels, paper napkins and handkerchiefs and the like.
  • Embossing is an operation that is performed for the dual purpose of improving aesthetic properties and increasing functional properties, in particular the softness, smoothness, absorption capacity or thickness of the finished material.
  • tissue paper material such as kitchen towel or toilet paper
  • a tissue paper material is produced from two or more plies of paper embossed separately and subsequently bonded together by applying a glue and laminating the plies between counter-rotating rollers defining a lamination nip.
  • Embossing is typically performed by feeding each ply between an embossing roller, equipped with protuberances, and a pressure roller with an outer surface coated in yielding material, typically rubber.
  • this is known as steel to rubber embossing, as the embossing roller is typically made of steel.
  • embossing is performed between two rollers made of steel or another hard material, one equipped with protuberances and the other with corresponding recesses.
  • the protuberances of the embossing roller produce corresponding protuberances or projections in the paper ply.
  • the protuberances formed in the two outermost plies are facing the inside of the finished product.
  • the two plies of paper web material are bonded by making the protuberances of one ply coincide with the protuberances of the other ply, having previously applied glue to the protuberances of one of the two plies, or at least to some of said protuberances.
  • two embossing rollers which emboss the two paper plies separately by means of respective pressure rollers, form therebetween a lamination nip, through which the two embossed plies are fed before being detached from said rollers.
  • the protuberances of one roller coincide with the protuberances of the other roller and the reciprocal distance between the rollers is such as to cause localized compression of the plies at said protuberances.
  • a tip-to-tip embossing unit for obtaining a product of this type is described in US-A-3,414,459 .
  • the tip-to-tip embossing technique has gradually been perfected and improved, in order to solve particular problems arising with this processing method.
  • US-A-5,096,527 describes, for example, a technique to reduce the vibrations and wear in tip-to-tip embossing units.
  • US-A-6,113,723 describes a distribution of protuberances having the object of increasing the adhesion strength through a particular arrangement of the protuberances.
  • US-A-5,736,223 describes a method for producing a paper article in sheet form comprising three layers or plies of tissue paper.
  • US-A-5,173,351 ; US-A-6,032,712 ; US-A-6,245,414 ; US-A-6,053,232 describe embossing-laminating units which with particular measures prevent concentrated wear of the protuberances also when these do not completely coincide, but give rise to a partial correspondence in areas, between some of the protuberances of one roller and some of the protuberances of the other.
  • US-A-3,961,119 describes a tip-to-tip embossing unit; wherein two mutually cooperating embossing rollers are equipped with helical projections. The projections of one embossing roller present protrusions that mesh with recesses provided in the helical projections of the opposed embossing roller.
  • the two plies are embossed separately, each between an embossing roller and a counter-roller or pressure roller.
  • the two plies are then mutually joined so that the protuberances of one ply are nested between the protuberances of the other ply.
  • This is known as "nested" embossing.
  • Lamination of the two plies is obtained between one of the embossing rollers and a laminating roller, while the two embossing rollers do not touch. Examples of embossing-laminating devices of this type are described in US-A-3,556,907 ; US-A-3,867,225 ; US-A-5,339,730 .
  • US-A-5,686,168 describes a method of nested embossing, wherein the plies are bonded by lamination between two opposed embossing rollers.
  • US-A-6,578,617 and US-A-6,470,945 describe embossing units that can perform embossing according to both the aforesaid techniques.
  • the angular phase and/or the axial position of the two embossing rollers can be modified.
  • US-A-6,261,666 describes a similar device for alternatively performing tip-to-tip or nested embossing. Another similar device is described in US-A-6,109, 326 .
  • embossing was performed according to very simple geometric patterns, with uniform distribution of truncated-cone or truncated-pyramid shaped protuberances. This embossing had a prevalently technical function, used to produce a product of adequate thickness and with sufficient softness and absorption capacity.
  • embossing must increasingly achieve a dual function, both technical-functional and aesthetic. Therefore, embossing patterns and embossing devices have been developed which make it possible to obtain a product that is aesthetically pleasing and at the same time suitable to satisfy the aesthetic requirements and increasing commercial requirements demanded of these products. Embossing is no longer produced only through simple geometrical patterns, but by combinations of embossing areas of greater or lesser density (at times of micro-embossing) and of decorative patterns embossed and optionally printed. Examples of complex embossing patterns are described in US-A-6,136,413 ; US-A-5,846,636 ; US-A-6,106,928 .
  • WO-A-2006/027809 describes a convertible embossing unit, wherein a pair of fixed sides cooperate with a pair of oscillating sides to define two pairs of supporting seats for the embossing rollers.
  • the mobile sides can cooperate directly with the fixed sides, or alternatively the fixed and mobile sides can be equipped with elements to close and complete the seats to support the ends of the embossing rollers.
  • the embossing unit thus configured, although characterized by the possibility of modifying the arrangement of the rollers, has limited flexibility.
  • a further convertible embossing unit is disclosed in WO-A-99/41064 .
  • an object of the invention is to propose an embossing unit that can be easily adapted to various types of production and that can produce embossed materials according to one or other of different embossing techniques.
  • an embossing unit to emboss and join at least two plies of web material comprising in combination:
  • the invention also relates to an embossing unit comprising only some of the equipment and of the devices that allow the embossing unit to be configured in at least two distinct operating arrangements.
  • the embossing unit indicated as a whole with 1, comprises a base structure 3, which in turn comprises, for example, a pair of parallel side members, on which the supports for the embossing rollers are arranged. There is associated with the structure 3 a first support 5 with a portion 5A by means of a hinge 5B, with which the portion 5A is hinged to the structure 3.
  • the embossing unit is in practice shown in a cross-section according to a longitudinal median plane arranged in an intermediate position between the two lateral side members of the machine. Therefore, in the drawing only one of the two side members forming the structure 3 is visible.
  • the support 5 is in fact composed of two support elements, one on each of the two parallel side members that form the load-bearing structure 3.
  • a first embossing roller 7 for example a steel roller or in any case a roller made of a sufficiently hard material to perform the embossing operation on the web material that is fed to the embossing unit.
  • the embossing roller 7 presents on the surface thereof embossing protuberances according to a suitable embossing pattern.
  • the embossing unit 1 also comprises a second support 9 for a first pressure roller 11.
  • the pressure roller 11 can, for example, be composed of a roller coated with an elastically yielding material, such as rubber or the like, which cooperates with the first embossing roller 7.
  • the support 9 comprises two seats 9A and 9B adjacent to each other and provided on an arm 12 hinged at 13 to the respective side member.
  • the number 15 indicates a piston-cylinder actuator, which carries the arm 12 and therefore the pressure roller 11 to the operating position shown in Fig. 2 .
  • the arrangement is double, with an arm 12, on each side of the machine, to engage the two ends of the pressure roller 11, and preferably with a pair of piston-cylinder actuators 15, one for each side member of the load-bearing structure 3.
  • the two seats 9A, 9B are used alternatively according to the configuration taken by the embossing unit, as will be more apparent from the description below.
  • the pressure roller 11 is arranged in the seat 9B closest to the pivot 13 of the arm 12.
  • the seats 9A, 9B are closed at the top by an element 9C ( Fig. 2 ) that defines and completes the respective seats on the upper side and which is removed in order to move or replace the pressure roller 11.
  • the pressure roller 11 is housed in the seats 9A or 9B removing the top element 9C which is then fitted to the underlying portion 9A, 9B of the seats to clamp the roller 11 and support it in the position it must take during operation.
  • the embossing unit 1 comprises a second embossing roller 17 supported in a third support 19 provided with an openable portion 19A similar to the portion 5A that allows opening and closing of the support 5 of the first embossing roller 7.
  • the portion 19A is pivoted in 19B to the respective side member of the load-bearing structure 3.
  • the support 19 is shown open to allow insertion and removal of the embossing roller 17, while in Fig. 2 this support is shown closed to maintain the embossing roller 17 in its operating position.
  • the support 19 is double, i.e. as a matter of fact it is composed of two substantially symmetrical support elements on the two side members of the machine, respectively.
  • the support 19 is not provided directly on the side member of the load-bearing structure 3, but on a fixture 21 fitted removably to an oscillating base 23 pivoted in 25 to the load-bearing structure 3.
  • a spacer 27 is interposed between the fixture 21 and the oscillating base 23 , which allows the support 19 and therefore the embossing roller 17 to be placed at a suitable distance from the pivot 25.
  • the embossing rollers 7 and 17 are substantially arranged with their axes on a horizontal plane.
  • the number 29 indicates an actuator (called “Torpress”) which presses between the structure 3 and the oscillating base 23 to cause the second embossing roller 17 to press against the first embossing roller 7, in a tip-to-tip arrangement, i.e. with at least some of the protuberances of the roller 7 pressing against at least some of the protuberances of the roller 17 in the nip defined between the embossing rollers.
  • Torpress an actuator
  • this fourth support 35 is in fact formed of two support elements, one for each of the two side members of the embossing unit 1. Consequently, the oscillating arms 37 that carry the support 35 are also double.
  • the arms 37 are pivoted in 39 to the load-bearing structure 3 and their oscillating movement is controlled by piston-cylinder actuators 41.
  • the actuators 41 press the pressure roller 33 against the second embossing roller 17 to emboss the web material that passes through the nip formed by these rollers 33 and 17.
  • a base 3A for a gluing unit 45 is associated with the fixed structure 3, movable according to the double arrow f45 to move toward or away from the embossing roller 7.
  • the gluing unit 45 comprises cylinders 47, 49 that pick up the glue from a reservoir and transfer it to the web material fed around the embossing roller 7, all in a manner known per se and which does not require further description herein.
  • the two embossing rollers 7 and 17 are pressed against each other to laminate therebetween two plies of web material V1, V2 fed to the pair of rollers 7, 11 and to the pair of rollers 17, 33 respectively.
  • the ply V1 is embossed by the first embossing roller 7 and by the respective pressure roller 11, while the second ply V2 is embossed between the second embossing roller 17 and the relevant pressure roller 33.
  • the reference N indicates the web material formed by joining and bonding the two plies V1, V2, which is delivered from the embossing unit 1.
  • the pressure rollers 11 and 33 are located on opposite sides of the substantially horizontal geometrical plane on which the axes of rotation of the embossing rollers 7 and 17 lie.
  • the embossing unit described here can be reconfigured to take a different position of the embossing and pressure rollers, again arranged so as to operate in a tip-to-tip arrangement.
  • FIG. 3 shows the embossing unit 1 in the set-up phase, with the supports open, while Fig. 4 shows it in the operating arrangement during embossing and lamination of the plies, again indicated with V1 and V2 to produce the web material N.
  • the support 35 is empty and held in an idle position with the arms 37 rotated clockwise with respect to the position taken thereby in Figs. 1 and 2 .
  • the second pressure roller, again indicated with 33, which cooperates with the second embossing roller 17, is carried in this case by a fifth support 51, just as in the case of the other supports in fact composed of two support elements, one for each side member of the machine.
  • the support 51 or more precisely each support element for the two ends of the pressure roller 33, is pivoted in 53 to the respective side member of the machine and associated with a piston-cylinder actuator 55, which presses the pressure roller 33 against the embossing roller 17.
  • the support 51 of the pressure roller 33 in this configuration is shown in detail in Fig. 3A . It is completed by a movable portion 51A, which can be removed to allow insertion and removal of the pressure roller 33.
  • the possibility of configuring the embossing unit 1 in one or other of the two modes illustrated above makes it possible to choose the best arrangement of the embossing rollers and of the pressure rollers as a function of the type of embossing pattern, taking into account the deformations to which the embossing rollers are subjected due to their weight and to the thrusts exerted thereon by the pressure rollers 11 and 33.
  • embossing unit described above can be transformed to take a configuration for nested or "DESL” embossing, or to operate according to an "embossing-gluing” technique typical of the most modern embossing units. These last configurations will be described below with reference to Figs. 5 and 6 .
  • the first pressure roller 11 is arranged in the seat 9A instead of the seat 9B of the support.
  • the support 19, 19A of the second embossing roller 17 is placed closer to the oscillating base 23 carrying the fixture 21 directly on the oscillating base 23, removing the spacer 27 ( Fig. 1A ).
  • the second pressure roller 33 is supported in the support 35 which, due to an appropriate oscillation of the arms 37, is in a lower position with respect to the position that it takes in the configuration of Figs. 1 and 2 .
  • the fifth support 51 not utilized in the configuration of Figs. 1 and 2 and utilized instead in the configuration of Figs. 5 and 6 , there is housed a laminating roller or marrying roller 61.
  • the laminating or marrying roller 61 cooperates with the first embossing roller 7 and not with the second embossing roller 17. Therefore, its position must be substantially different with respect to the position taken by the pressure roller 33 in the configuration in Figs. 3 and 4 .
  • the support 51 is in this case integrated with an element 54 that is superimposed on the seat of the support 51 in which, in the configuration of Figs. 3 and 4 , the second pressure roller 33 is housed.
  • Fig. 5B shows in greater detail how the fixture defining the support of the laminating roller 61 is arranged with the intermediate element 54 that is superimposed on the original seat 51 in which the pressure roller 33 is arranged in the configuration of Figs. 3 and 4 .
  • the reference 51 B indicates the movable portion of the support which, both in the configuration of Figs. 5 and 6 as well as in the configuration of Figs. 3 and 4 , closes the support of the roller.
  • Fig. 5A shows separately in detail the double seat 9A, 9B of the support 9 for the first pressure roller.
  • the first pressure roller 11 is arranged in the seat 9A of the support 9.
  • Fig. 5C shows the support 35 with the movable portion 35A thereof, in which the pressure roller 33 is supported.
  • the position of the support 19 and therefore of the axis of the embossing roller 17 with respect to the first embossing roller 7 is defined in this configuration by a stop 65 adjustable, for example, through a servomotor 67.
  • a stop 65 adjustable, for example, through a servomotor 67.
  • the embossing roller 17 must not press against the embossing roller 7, but is maintained so that there is no reciprocal pressure in the nip between the two rollers.
  • the stop 65 is double, with a stop element on each side member of the embossing unit 1 and one or two servomotors for adjustment thereof.
  • the embossing unit 1 can operate according to the "DESL" or nested technique, feeding the two plies V1 and V2 along the two paths indicated with the solid line in Fig. 6 .
  • the first ply V1 is fed between the first embossing roller 7 and the first pressure roller 11 to be embossed.
  • the glue dispensing unit 45 applies glue to the protuberances formed on the ply V1.
  • the second ply V2 is embossed between the second pressure roller 33 and the second embossing roller 17 and both embossed plies V1 and V2 are fed through the nip between the embossing rollers 7 and 17, where however they are not laminated, as the two embossing rollers 7, 17 are not pressed against each other.
  • the ply V1 remains in contact and fed around the embossing roller 7, while the ply V2 is detached from the embossing roller 17 and rests on the ply V1 fed around the embossing roller 7.
  • the two plies thus joined are laminated between the embossing roller 7 and the laminating roller 61 carried by the support 54 to cause bonding thereof.
  • the embossing unit can also operate according to the "emboss-glue" technique, if necessary carrying the second embossing roller 17 and the respective pressure roller 33 to an idle position by modifying the position of the relative supports. For this purpose, it is sufficient to modify the path of the ply V2, making it follow the path indicated with the dashed line in Fig. 6 . In this case, instead of being fed into the embossing nip between the embossing roller 17 and the pressure roller 33, the ply V2 is fed directly toward the embossing roller 17 and laid on the ply V1 embossed by the roller 7 and by the roller 11.
  • the two plies V1 and V2 are then laminated and joined to each other by passing through the lamination nip defined by the embossing roller 7 and by the laminating roller 61.
  • the oscillating base 23 on which the second embossing roller 17 and the second pressure roller 33 are supported can also be made to oscillate in a clockwise direction to move the embossing roller 17 marginally away from the embossing roller 7.
  • the embossing unit according to the invention can take a variety of configurations simply by fitting or removing equipment, modifying the position taken by the axes of the various rollers. This allows the users of the embossing unit to produce, with the same line and the same unit, different materials according to market demands with minimum operations to modify the configuration of the machine.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Switches With Compound Operations (AREA)
  • Filters And Equalizers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Fats And Perfumes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (11)

  1. Unité de gaufrage (1) pour gaufrer et joindre au moins deux épaisseurs de matériau en bande continue, comprenant en association :
    - un premier support (5) pour un premier rouleau de gaufrage (7) ;
    - un deuxième support (9) pour un premier rouleau de pression (11), coopérant avec ledit premier rouleau de gaufrage (7), ledit deuxième support (9) présentant deux sièges (9A, 9B) pour recevoir et supporter le premier rouleau de pression dans deux positions différentes par rapport audit deuxième support ;
    - un troisième support (19), pour un second rouleau de gaufrage (17), ledit troisième support étant capable de prendre au moins deux positions de fonctionnement différentes ;
    - un quatrième support (25) pour un second rouleau de pression (33) approprié pour coopérer avec ledit second rouleau de gaufrage (17) et approprié pour prendre au moins une position de fonctionnement et une position inactive ;
    - un cinquième support (51) avec un double siège pour recevoir et supporter, dans deux positions différentes, de façon alternative, un rouleau associé (61) ou ledit second rouleau de pression (33).
  2. Unité de gaufrage selon la revendication 1, dans laquelle ledit troisième support (19) possède une configuration variable pour transporter le second rouleau de gaufrage (17) jusqu'au moins deux positions de fonctionnement possibles par rapport au premier rouleau de gaufrage (7).
  3. Unité de gaufrage selon la revendication 2, dans laquelle ledit troisième support (19) peut être fixé à une base (23) oscillant autour d'un axe (25) sensiblement parallèle à l'axe desdits rouleaux de gaufrage et desdits rouleaux de pression, ladite base (23) étant capable de prendre au moins deux positions de fonctionnement angulairement différentes, et dans laquelle un élément d'espacement (27) peut être interposé entre ladite base et ledit support, ledit élément d'espacement étant interposé ou n'étant pas interposé entre la base oscillante (23) et le troisième support (19) selon la position de fonctionnement destinée à être prise par le second rouleau de gaufrage (17) par rapport au premier rouleau de gaufrage (7).
  4. Unité de gaufrage selon la revendication 3, dans laquelle lesdites deux positions de fonctionnement angulairement différentes de la base oscillante (23) sont définies par une butée réglable (65).
  5. Unité de gaufrage selon la revendication 4, dans laquelle ladite butée réglable (65) est motorisée.
  6. Unité de gaufrage selon une ou plusieurs des revendications précédentes, dans laquelle ledit deuxième support (9) comprend un bras (12) oscillant autour d'un axe d'oscillation (13) sensiblement parallèle à l'axe desdits rouleaux de pression et desdits rouleaux de gaufrage, et dans laquelle lesdits deux sièges (9A, 9B) pour supporter le premier rouleau de pression (11) sont adjacents le long du prolongement longitudinal dudit bras oscillant (12).
  7. Unité de gaufrage selon la revendication 6, caractérisée en ce que ledit bras oscillant (12) comprend deux parties pouvant être reliées ou séparées pour ôter le rouleau de pression (11) du siège respectif (9A, 9B).
  8. Unité de gaufrage selon une ou plusieurs des revendications précédentes, dans laquelle ledit cinquième support (51) oscille autour d'un axe (53) sensiblement parallèle aux axes des rouleaux de gaufrage et des rouleaux de pression.
  9. Unité de gaufrage selon une ou plusieurs des revendications précédentes, dans laquelle ledit cinquième support (51) comprend un bras oscillant, un premier élément ou en variante ledit premier élément et un second élément pouvant être reliés audit bras oscillant, ledit double siège étant défini par ledit bras oscillant et par ledit premier élément, ou en variante par ledit second élément et par ledit premier élément, ledit second élément étant interposé entre ledit bras et ledit premier élément.
  10. Unité de gaufrage selon une ou plusieurs des revendications précédentes, dans laquelle une unité de collage (45) coopère avec ledit premier rouleau de gaufrage (7).
  11. Unité de gaufrage selon la revendication 10, dans laquelle ladite unité de collage (45) est montée sur un chariot mobile pour être rapprochée et éloignée des supports des rouleaux de gaufrage et de pression.
EP08720241A 2007-02-27 2008-02-15 Unité de gaufrage multifonction Active EP2125355B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000048A ITFI20070048A1 (it) 2007-02-27 2007-02-27 Gruppo goffratore multi-funzione
PCT/IT2008/000096 WO2008105016A2 (fr) 2007-02-27 2008-02-15 Unité de gaufrage multifonction

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EP2125355A2 EP2125355A2 (fr) 2009-12-02
EP2125355B1 true EP2125355B1 (fr) 2011-09-07

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US (1) US8915283B2 (fr)
EP (1) EP2125355B1 (fr)
AT (1) ATE523327T1 (fr)
BR (1) BRPI0808107B1 (fr)
ES (1) ES2371129T3 (fr)
IT (1) ITFI20070048A1 (fr)
WO (1) WO2008105016A2 (fr)

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* Cited by examiner, † Cited by third party
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IT1400201B1 (it) 2010-05-25 2013-05-24 Perini Fabio Spa Gruppo goffratore e metodo di goffratura.
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CN104802459A (zh) * 2015-03-23 2015-07-29 金红叶纸业集团有限公司 一种压花装置
IT201600086447A1 (it) * 2016-08-22 2018-02-22 Universal Tissue Tech S R L Dispositivo di goffratura con magazzino di rulli goffratori
IT201600086446A1 (it) * 2016-08-22 2018-02-22 Universal Tissue Tech S R L Dispositivo e metodo di goffratura
EP4108442A1 (fr) * 2016-12-23 2022-12-28 Paper Converting Machine Company Procédé et appareil pour le changement de rouleaux sur une machine de gaufrage/stratification

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Also Published As

Publication number Publication date
ITFI20070048A1 (it) 2008-08-28
WO2008105016A3 (fr) 2008-10-23
ES2371129T3 (es) 2011-12-27
BRPI0808107B1 (pt) 2018-04-03
ATE523327T1 (de) 2011-09-15
EP2125355A2 (fr) 2009-12-02
WO2008105016A2 (fr) 2008-09-04
BRPI0808107A2 (pt) 2014-06-17
US8915283B2 (en) 2014-12-23
US20100000687A1 (en) 2010-01-07

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